77263854364 has 12 divisors (see below), whose sum is σ = 135246344688. Its totient is φ = 38622041600.

The previous prime is 77263854361. The next prime is 77263854383. The reversal of 77263854364 is 46345836277.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77263854361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2453797 + ... + 2485084.

It is an arithmetic number, because the mean of its divisors is an integer number (11270528724).

Almost surely, 2^77263854364 is an apocalyptic number.

It is an amenable number.

77263854364 is a deficient number, since it is larger than the sum of its proper divisors (57982490324).

77263854364 is a wasteful number, since it uses less digits than its factorization.

77263854364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942796 (or 4942794 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 55.

The spelling of 77263854364 in words is "seventy-seven billion, two hundred sixty-three million, eight hundred fifty-four thousand, three hundred sixty-four".